not my words but seems interesting
From Defense Dept. commission study last year carried out by the Rand Corporation: "Considering the prevalence of transgender servicemembers among the active duty military and the typical health-care costs for gender-transition-related medical treatment, the Rand study estimated that these treatments would cost the military between $2.4 million and $8.4 million annually....“The implication is that even in the most extreme scenario that we were able to identify … we expect only a 0.13-percent ($8.4 million out of $6.2 billion) increase in health care spending,” Rand's authors concluded...